【摘要】 试验通过小区和异地盆栽对稻瘟病发生严重的生态环境条件以及如何通过施肥防治稻瘟病发生进行研究。结果表明，稻瘟病的发生与当地气候条件有很大关系，施用钾肥可达到预防的目的，最佳氮磷钾比例为１∶０．５∶１。更多还原

【Abstract】 Pot culture in different places and plot experiments were used to study the ecological envirnment caused rice blast and how to prevent rice blast by fertilizing. The result showed that rice blast was in relation to climate. Applying potassium could take precautions against rice blast and the optimum ratio of NPK is 1∶0 5∶1更多还原